src/share/bin/java.c
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rev 9771 : 8042469 : Launcher changes for native memory tracking scalability enhancement
*** 1002,1011 ****
--- 1002,1012 ----
{
int argc = *pargc;
char **argv = *pargv;
int mode = LM_UNKNOWN;
char *arg;
+ static const char* NMT_Env_Name = "NMT_LEVEL_";
*pret = 0;
while ((arg = *argv) != 0 && *arg == '-') {
argv++; --argc;
*** 1029,1038 ****
--- 1030,1076 ----
showVersion = JNI_TRUE;
} else if (JLI_StrCmp(arg, "-X") == 0) {
printXUsage = JNI_TRUE;
return JNI_TRUE;
/*
+ * The following case checks for "-XX:NativeMemoryTracking=value".
+ * If value is non null, an environmental variable set to this value
+ * will be created to be used by the JVM.
+ * The argument is passed to the JVM, which will check validity.
+ */
+ } else if (JLI_StrCCmp(arg, "-XX:NativeMemoryTracking=") == 0) {
+ int retval;
+ // get what follows this parameter, include "="
+ size_t pnlen = JLI_StrLen("-XX:NativeMemoryTracking=");
+ if (JLI_StrLen(arg) > pnlen) {
+ char* value = arg + pnlen;
+ size_t pbuflen = pnlen + JLI_StrLen(value) + 10; // 10 max pid#
+ // ensures that malloc successful
+ char * pbuf = (char*)JLI_MemAlloc(pbuflen);
+ JLI_Snprintf(pbuf, pbuflen, "%s%d=%s", NMT_Env_Name, JLI_GetPid(), value);
+ retval = JLI_PutEnv(pbuf);
+ if (JLI_IsTraceLauncher()) {
+ char* envName;
+ char* envBuf;
+
+ // ensures that malloc successful
+ envName = (char*)JLI_MemAlloc(pbuflen);
+ JLI_Snprintf(envName, pbuflen, "%s%d", NMT_Env_Name, JLI_GetPid());
+
+ printf("TRACER_MARKER: NativeMemoryTracking: env var is %s\n",envName);
+ printf("TRACER_MARKER: NativeMemoryTracking: putenv arg %s\n",pbuf);
+ envBuf = getenv(envName);
+ printf("TRACER_MARKER: NativeMemoryTracking: got value %s\n",envBuf);
+ free(envName);
+ }
+
+ free(pbuf);
+ }
+
+ // The argument is passed to JVM for comment.
+ AddOption(arg, NULL);
+ /*
* The following case checks for -XshowSettings OR -XshowSetting:SUBOPT.
* In the latter case, any SUBOPT value not recognized will default to "all"
*/
} else if (JLI_StrCmp(arg, "-XshowSettings") == 0 ||
JLI_StrCCmp(arg, "-XshowSettings:") == 0) {